<!-- 添加新英雄 -->
<div>
  <label>Hero name:
    <!-- #heroName会和下面进行匹配 -->
    <input #heroName />
  </label>
  <!-- (click) passes input value to add() and then clears the input -->
  <button (click)="add(heroName.value); heroName.value=''">
    add
  </button>
</div>

<h2>My Heroes</h2>
<ul class="heroes">
  <!-- 遍历 -->
  <!-- [class.selected]是动态添加class -->
  <!-- <li *ngFor="let hero of heroes"
      (click)="onSelect(hero)"
      [class.selected]="hero === selectedHero"
  >
    <span class="badge">{{hero.id}}</span>
    {{hero.name}}
  </li> -->

  <li *ngFor="let hero of heroes">
    <a routerLink="/detail/{{hero.id}}">
      <span class="badge">{{hero.id}}</span> {{hero.name}}
    </a>
    <button class="delete"
            title="delete hero"
            (click)="delete(hero)"
    >x</button>
  </li>
</ul>

<!-- <app-hero-detail [hero]="selectedHero"></app-hero-detail> -->
